Kopperman, Ralph D., City University of New York, United States

• Applied General Topology Vol. 5 No. 1 (2004) - Regular Articles
  Partial metrizability in value quantales
  Abstract  PDF
• Applied General Topology Vol. 4 No. 1 (2003) - Regular Articles
  Skew compact semigroups
  Abstract  PDF
• Applied General Topology Vol. 2 No. 2 (2001) - Regular Articles
  The chainable continua are the spaces approximated by finite COTS
  Abstract  PDF